nsz Git - musl/blob - tools/gen-musl-gcc.sh

   1 #!/bin/sh
   2
   3 printf '#!/bin/sh\n\nlibc_prefix="%s"\n' "$1"
   4
   5 cat <<"EOF"
   6 libc_lib=$libc_prefix/lib
   7 libc_inc=$libc_prefix/include
   8 libc_crt="$libc_lib/crt1.o"
   9 libc_start="$libc_lib/crti.o"
  10 libc_end="$libc_lib/crtn.o"
  11
  12 gcc_inc=$libc_inc
  13 libgcc="`gcc \"$@\" -print-file-name=libgcc.a`"
  14
  15 gcc -wrapper sh,-c,'
  16 x= ; y= ; z= ; s= ; for i ; do
  17   [ "$z" ] || set -- ; z=1
  18   case "$i" in
  19     -shared) s=1 ; set -- "$@" -shared ;;
  20     -Lxxxxxx) x=1 ;;
  21     -xxxxxx) x= ; [ "$s" ] || set -- "$@" "'"$libc_start"'" "'"$libc_crt"'" ;;
  22     -l*) [ "$y" ] || set -- "$@" '"$libc_end"' ; set -- "$@" "$i" ; y=1 ;;
  23     *) [ "$x" ] || set -- "$@" "$i" ;;
  24   esac
  25 done
  26 exec "$0" "$@"
  27 ' -std=gnu99 -nostdinc -nostdlib \
  28   -isystem "$libc_inc" -isystem "$gcc_inc" \
  29   -Wl,-xxxxxx "$@" -L"$libc_lib" -lc "$libgcc" -Lxxxxxx -Wl,-nostdlib
  30 EOF